CN204582121U - Jacket type fluid stopping device - Google Patents

Jacket type fluid stopping device Download PDF

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Publication number
CN204582121U
CN204582121U CN201520013671.1U CN201520013671U CN204582121U CN 204582121 U CN204582121 U CN 204582121U CN 201520013671 U CN201520013671 U CN 201520013671U CN 204582121 U CN204582121 U CN 204582121U
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China
Prior art keywords
fluid stopping
elastic clip
pore
overcoat
clip
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CN201520013671.1U
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Chinese (zh)
Inventor
陈永曦
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Fuzhou Bestway Med-Macromolecule Corp
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Fuzhou Bestway Med-Macromolecule Corp
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Abstract

This utility model relates to the outer transfusion instrument of a kind of human body in clinical treatment, for ending the pipe external switch of infusion channel, particularly a kind of jacket type fluid stopping device, comprise a kind of fluid stopping elastic clip, elastic clip was provided with pore and the wedge shape line of rabbet joint, wedge shape line of rabbet joint opening originated in pore side, and extend along the wedge shaped pattern that flow-stopping clip length direction reduces with the line of rabbet joint to the other end, its composition main points are: also comprise a kind of promotion overcoat, promote the pore excessively that overcoat has inner chamber and runs through, what this crossed pore and fluid stopping elastic clip crosses that pore is corresponding to be arranged, elastic clip is set in this and promotes in overcoat inner chamber, after two pore aligns excessively, treat that the circulation flexible pipe of fluid stopping can cross pore through this.Tool has the following advantages: can singlehanded clipping operation flexible pipe, easy for operation, and clamping process can not produce negative pressure, can prevent backflow of blood, and the mode of fluid stopping is simultaneously identical with the flow-stopping clip mode of routine, is more convenient for promoting the use of.

Description

Jacket type fluid stopping device
Technical field
The present invention relates to the outer transfusion instrument of a kind of human body in clinical treatment, for ending the pipe external switch of infusion channel, particularly a kind of jacket type fluid stopping device, it is especially applicable to being applied on the flexible pipe of extrusion infusing pipeline.
Background technology
In prior art, a kind of indwelling needle assembly as shown in Figure 1, is socketed with lamellar flow-stopping clip 1 outside the extension tube on it, and this flow-stopping clip is exactly a kind of conventional fluid stopping device.Have the wedge shape line of rabbet joint in the middle of flow-stopping clip, be convenient to extension tube and snap in fluid stopping.Need two handss gently to pinch flow-stopping clip both sides extension tube respectively during use, then advance flow-stopping clip with thumb, extension tube is clamped fluid stopping.Pinch pressure because extension tube is subject to finger, liquid in pipe must be extruded intravasation, and finger is once decontrol, and extension tube recovers shape by natural resiliency, and luminal space increases and produces negative pressure.If this flow-stopping clip is applied on remaining needle, this negative pressure must cause blood in blood vessel to be entered in inlying catheter by suck-back, inlying catheter head can be caused to be blocked, cannot infuse next time, lose the object of remaining needle Preserving time after solidifying.Inlying catheter is entered in order to make up the backflow of blood caused because of clipping operation, after lamellar flow-stopping clip clamps flexible pipe, medical worker pinches the flow-stopping clip side flexible pipe away from inlying catheter usually on the other hand, another hands pinches lamellar flow-stopping clip, toward inlying catheter direction slip flow-stopping clip, soft for flow-stopping clip opposite side liquid in pipe is caught up with in inlying catheter, go out suck-back and enter blood inside catheters, though such operation can reach the blood driveing suck-back, but suitable skilled operation skill must be had, not so often can by extension tube drawing-down on remaining needle, impact is infused again, even sometimes, undue force, inlying catheter can be extracted human body, need again to puncture inlying catheter, due to misoperation, extension tube is broken, serious conditions causes hemorrhage hidden danger.
Summary of the invention
The object of the invention is to overcome weak point of the prior art, and provide one can singlehanded clipping operation flexible pipe, jacket type fluid stopping device easy for operation; A further object of the present invention is to provide a kind of clamping process to produce negative pressure, can prevent the jacket type fluid stopping device of backflow of blood.
The object of the invention is to be realized by following approach.
Jacket type fluid stopping device, comprise a kind of fluid stopping elastic clip, elastic clip was provided with pore and the wedge shape line of rabbet joint, wedge shape line of rabbet joint opening originated in pore side, and extend along the wedge shaped pattern that flow-stopping clip length direction reduces with the line of rabbet joint to the other end, its composition main points are: also comprise a kind of promotion overcoat, promote the pore excessively that overcoat has inner chamber and runs through, what this crossed pore and fluid stopping elastic clip crosses that pore is corresponding to be arranged, elastic clip is set in this and promotes in overcoat inner chamber, after two pore aligns excessively, treat that the circulation flexible pipe of fluid stopping can cross pore through this.
Like this, when transfusion terminates, singlehanded thumb and forefinger is only needed to pinch fluid stopping elastic clip respectively and promote overcoat, gently firmly to pinching, elastic clip slides along promotion overcoat inner chamber, cross flexible tube section in pore and be subject to both extruding, flexible pipe side is subject to promoting overcoat and crosses that pore is spacing to be withstood, opposite side is facing to elastic clip intermediate wedge groove, and pressurized becomes flat and clamp-ons wedge-shaped slot, along with elastic clip and promotion overcoat continue relative movement, flexible pipe also continues to become flat, until become flat stream mode to end completely, flexible pipe internal chamber wall is closely affixed mutually, and flexible pipe circulation passage is cut off; Because the wedge shape line of rabbet joint to slide relative to flexible pipe and the strength of squeezing tube is less, and the gap of joint portion is less both elastic clip and the socket promoting overcoat inner chamber make, flexible pipe can not be extruded into the distortion of V word in the process of pinching, cross pore hole wall contact-segment with promotion overcoat and remain straight, thus when pressure finger is pinched in relieving, recovery that flexible pipe is nonelastic, also would not produce negative pressure in flexible pipe, such blood also can not be entered in inlying catheter by suck-back, avoids blood coagulation plugging problem.When will again infuse, as long as elastic clip is pulled out outward from promotion overcoat, at this moment flexible pipe is crossed pore retrain by being promoted overcoat, flexible pipe only slides to wedge-shaped slot opening, finally slipping into elastic clip crosses in pore, and flexible pipe cut-off is opened, and recovers distortion by natural resiliency, circulation passage is opened again, just can infuse.
Object of the present invention can also be realized by following approach.
Elastic clip slides over gap fiting mode and promotes in overcoat inner chamber at this.
This gap fiting mode is guaranteeing that elastic clip is along being outside one's consideration to the freedom of movement of pinching direction, limit other freedom of motion, thus ensure that elastic clip can not produce in promotion overcoat inner chamber and swing, also further ensure that flexible pipe can not be extruded into the distortion of V word in the process of pinching.
Promote overcoat inner chamber rear and have wedge cavities, the wedge shape direction of this wedge cavities is corresponding with the wedge shape direction of the elastic clip wedge shape line of rabbet joint.
When fluid stopping device is in cut-off state, elastic clip tail end enters wedge cavities, elastic clip is suffered restraints because of flexible pipe wedging intermediate plate stretching degree, and can overcome because of elastic clip repeatedly clamping and release and make intermediate plate lose certain clamping force, be beneficial to flexible pipe cut-off fluid stopping.
Promoting overcoat inner chamber is a kind of blind hole, and elastic clip sleeve is in this blind hole, and the end face that the outer face of blind hole end and elastic clip expose is singlehanded to the operating surface pinched.
Also can be like this:
Promoting overcoat inner chamber is a kind of perforation, and elastic clip is set in this perforation, and the promotion upper and lower two sides of overcoat are respectively stretched out and drawn ear, and this end face drawing ear and elastic clip to expose is singlehanded to the operating surface pinched.
Elastic clip is provided with a kind of convex clip, promotes to be coated at the card nest that flexible pipe cut-off place correspondence is provided with the coupling of convex clip therewith, this card nest or a kind of draw-in groove or a kind of opening run through, in flexible pipe cut-off place, convex clip is trapped in this card nest.
The card of this convex clip and card nest touches the structure that structure is a kind of routine, it forms elastic card and touches to carry out spacing to the elastic clip of flexible pipe cut-off place and the relative position of promotion overcoat, prevent clamping fluid stopping flexible pipe and due to illness suffer from limb activity, and make flexible pipe be subject to pullling and skid off from the wedge-shaped slot of elastic clip.And the operation of external force, can them be allowed easily to thread off again.
Opening arranges a fracture line of rabbet joint by promoting overcoat housing opening.
So therefore the line of rabbet joint that ruptures makes the housing wall contacted with convex clip have more elasticity, and buckle and dropout are by convenient.
In sum, the present invention compared to existing technology tool has the following advantages: can singlehanded clipping operation flexible pipe, easy for operation, and clamping process can not produce negative pressure, can prevent backflow of blood, the mode of fluid stopping is simultaneously identical with conventional flow-stopping clip mode, is more convenient for promoting the use of.
Accompanying drawing explanation
Fig. 1 is a kind of indwelling needle assembly schematic diagram in prior art.
Fig. 2 is the structural representation axonometric chart that described in the embodiment of the present invention one, jacket type fluid stopping device is in flexible pipe circulation status.
Fig. 3 is the structural representation axonometric chart in a kind of axle survey of the promotion overcoat direction in jacket type fluid stopping device described in the embodiment of the present invention one.
Fig. 4 is the structural representation axonometric chart in the promotion overcoat another kind of axle survey direction in jacket type fluid stopping device described in the embodiment of the present invention one.
Fig. 5 is the promotion jacket structure schematic perspective sectional view in jacket type fluid stopping device described in the embodiment of the present invention one.
Fig. 6 is the structural representation axonometric chart in a kind of axle survey of the fluid stopping elastic clip direction in jacket type fluid stopping device described in the embodiment of the present invention one.
Fig. 7 is the structural representation axonometric chart in the promotion overcoat another kind of axle survey direction in jacket type fluid stopping device described in the embodiment of the present invention one.
Fig. 8 is the structural representation axonometric chart that described in the embodiment of the present invention one, jacket type fluid stopping device is in flexible pipe cut-off state.
Fig. 9 is the structural representation three-dimensional cutaway view that described in the embodiment of the present invention one, jacket type fluid stopping device is in flexible pipe cut-off state.
Figure 10 is the structural representation axonometric chart that described in the embodiment of the present invention two, jacket type fluid stopping device is in flexible pipe circulation status.
Figure 11 is the structural representation axonometric chart in a kind of axle survey of the fluid stopping elastic clip direction in jacket type fluid stopping device described in the embodiment of the present invention two.
Figure 12 is the structural representation axonometric chart in a kind of axle survey of the fluid stopping elastic clip direction in jacket type fluid stopping device described in the embodiment of the present invention two.
Figure 13 is the structural representation axonometric chart in a kind of axle survey of the promotion overcoat direction in jacket type fluid stopping device described in the embodiment of the present invention two.
Figure 14 is the structural representation three-dimensional cutaway view in a kind of axle survey of the promotion overcoat direction in jacket type fluid stopping device described in the embodiment of the present invention two.
Figure 15 is the structural representation axonometric chart that described in the embodiment of the present invention two, jacket type fluid stopping device is in flexible pipe cut-off state.
Figure 16 is the structural representation three-dimensional cutaway view that described in the embodiment of the present invention two, jacket type fluid stopping device is in flexible pipe cut-off state.
Figure 17 is the structural representation axonometric chart of the promotion overcoat in jacket type fluid stopping device described in the embodiment of the present invention three.
Figure 18 is the structural representation axonometric chart of the fluid stopping elastic clip in jacket type fluid stopping device described in the embodiment of the present invention four.
Figure 19 is the structural representation axonometric chart of the promotion overcoat in jacket type fluid stopping device described in the embodiment of the present invention four.
Figure 20 is the structural representation axonometric chart that described in the embodiment of the present invention four, jacket type fluid stopping device is in flexible pipe cut-off state.
Figure 21 is the structural representation axonometric chart of the fluid stopping elastic clip in jacket type fluid stopping device described in preferred embodiment.
Figure 22 is the structural representation axonometric chart in a kind of axle survey of the promotion overcoat direction in jacket type fluid stopping device described in preferred embodiment.
Figure 23 is the structural representation axonometric chart in the promotion overcoat another kind of axle survey direction in jacket type fluid stopping device described in preferred embodiment.
Figure 24 is the structural representation axonometric chart that described in preferred embodiment, jacket type fluid stopping device is in flexible pipe cut-off state.
Below in conjunction with accompanying drawing, more detailed description is carried out to the present invention.
Detailed description of the invention
Embodiment 1:
With reference to Fig. 2, Fig. 8 and Fig. 9, jacket type fluid stopping device, comprises a kind of fluid stopping elastic clip 1 and a kind of promotion overcoat 2.Elastic clip 1 sleeve is in the inner chamber promoting overcoat 2.
With reference to Fig. 6 and Fig. 7, elastic clip 1 is by lamellar clamp 1.1 and grip face 1.2 and form, lamellar clamp 1.1 was provided with pore 1.4 and the wedge shape line of rabbet joint 1.3, the wedge shape line of rabbet joint 1.3 opening originated in pore 1.4 side, and extend along the wedge shaped pattern that clamp 1.1 length direction reduces with the line of rabbet joint to the other end, grip the salient point 1.5 face 1.2 being provided with convenient operation.
With reference to Fig. 3, Fig. 4 and Fig. 5, promote overcoat 2 and there is body 2.1 and the inner chamber 2.4 corresponding with lamellar clamp 1.1 section, body 2.1 laterally runs through and had pore 2.2, what this crossed pore 2.2 and fluid stopping elastic clip crosses that pore 1.4 is corresponding to be arranged, after two pore aligns excessively, treat that the circulation flexible pipe of fluid stopping can cross pore through this.Elastic clip 1 slides over gap fiting mode and promotes in overcoat inner chamber at this.Body 2.1 liang of broad side surfaces are provided with anti-skidding ladder strip 2.3, are convenient to manage.The outer face 2.5 of blind hole end is singlehanded to the operating surface pinched for ease of one hand.Promote overcoat 2 inner chamber rear and have wedge cavities 2.6, the wedge shape direction of this wedge cavities 2.6 is corresponding with the wedge shape direction of the elastic clip wedge shape line of rabbet joint 1.3.
With reference to Fig. 2, elastic clip 1 sleeve is in the inner chamber promoting overcoat 2, and now cross pore alignment for two, treat that the circulation flexible pipe of fluid stopping crosses pore through this, circulation flexible pipe is in circulation status.
With reference to Fig. 8 and Fig. 9, now, fluid stopping device is in cut-off state, elastic clip 1 tail end enters wedge cavities 2.6, wedge cavities 2.6 be arranged so that elastic clip 1 suffers restraints because of flexible pipe wedging intermediate plate stretching degree, and can overcome because of elastic clip repeatedly clamping and release and make intermediate plate lose certain clamping force, be beneficial to flexible pipe cut-off fluid stopping.
When transfusion terminates, singlehanded thumb and forefinger is only needed to pinch fluid stopping device two ends operating surface 2.5 and 1.2 respectively, gently firmly to pinching, elastic clip slides along promotion overcoat inner chamber, cross flexible tube section in pore and be subject to both extruding, flexible pipe side is subject to promoting overcoat and crosses that pore is spacing to be withstood, opposite side is facing to elastic clip intermediate wedge groove, pressurized becomes flat and clamp-ons wedge-shaped slot, along with elastic clip and promotion overcoat continue relative movement, flexible pipe also continues to become flat, until become flat to be completely pulled to wedge-shaped slot tail end cut-off position, flexible pipe internal chamber wall is closely affixed mutually, flexible pipe circulation passage is cut off, at this moment offset at the bottom of elastic clip insertion end and promotion overcoat inner chamber, circulation passage cut-off operation terminates.Because the gap that is slidably matched between the wide plane in elastic clip both sides and the loose plane of promotion overcoat rectangular inner cavity is smaller, and it is thinner to promote outer shell wall thickness, in promotion flexible pipe deformation process, it is very little with flexible pipe contact surface that the contact of pore hole wall crossed by promotion overcoat, flexible pipe extrudes flat distortion in wedge-shaped slot, the flexible tube section wall body bending strength of elastic clip both sides is very large, the distortion of V word can not be extruded into, cross pore hole wall contact-segment with promotion overcoat and remain straight, thus pinch pressure hands when relieving to refer to, recovery that flexible pipe is nonelastic, also negative pressure in flexible pipe would not be produced, such blood also can not be entered in inlying catheter by suck-back, avoid blood coagulation plugging problem.When will again infuse, as long as elastic clip is pulled out outward from promotion overcoat, at this moment flexible pipe is crossed pore retrain by being promoted overcoat, flexible pipe only slides to wedge-shaped slot opening, finally slipping into elastic clip crosses in pore, and flexible pipe cut-off is opened, and recovers distortion by natural resiliency, circulation passage is opened again, just can infuse.
It is same as the prior art that the present embodiment does not state part.
Embodiment two:
With reference to Figure 10-Figure 16, jacket type fluid stopping device, promoting overcoat 2 inner chamber is a kind of perforation, and elastic clip 1 is set in this perforation, the promotion upper and lower two sides of overcoat are respectively stretched out and are drawn ear 2.8, and this end face drawing ear 2.8 and elastic clip to expose is singlehanded to the operating surface pinched.
During operation, thumb props up flexible pipe and wants the elastic clip 1 of the direction of motion grips face 1.2, and forefinger and middle finger catch on symmetry on promotion overcoat 2 respectively and draw ear 2.8, gently firmly to pinching, just can realize the cut-off of flexible pipe circulation passage and opening.
It is identical with embodiment one that the present embodiment does not state part.
Embodiment three:
With reference to Figure 17, jacket type fluid stopping device, promotion overcoat about 2 two sides are respectively stretched out two and are drawn ear 2.8, and this is a kind of symmetrical four structures drawing ear, and this end face drawing ear 2.8 and elastic clip to expose is singlehanded to the operating surface pinched.
It is identical with embodiment two that the present embodiment does not state part.
Embodiment four:
With reference to Figure 18, Figure 19 and Figure 20, jacket type fluid stopping device, elastic clip 1 is provided with a kind of convex clip 1.3.1, promote overcoat 2 is provided with convex clip 1.3.1 coupling therewith card nest in flexible pipe cut-off place correspondence, this card nest 2.7 is a kind of opening run through, in flexible pipe cut-off place, convex clip 1.3.1 is trapped in this card nest 2.7.
The card of this convex clip and card nest touches the structure that structure is a kind of routine, it forms elastic card and touches to carry out spacing to the elastic clip of flexible pipe cut-off place and the relative position of promotion overcoat, prevent clamping fluid stopping flexible pipe and due to illness suffer from limb activity, and make flexible pipe be subject to pullling and skid off from the wedge-shaped slot of elastic clip.And the operation of external force, can them be allowed easily to thread off again.
With reference to Figure 19, open perforation 2.7 and the one fracture line of rabbet joint 2.7.1,2.7.2 is set by promoting overcoat housing opening.So therefore the fracture line of rabbet joint 2.7.1,2.7.2 make the housing wall that body contacts with convex clip have more elasticity, and buckle and dropout are by convenient.
On two broad side surfaces that above-mentioned convex clip 1.3.1 and card nest 2.7 are separately positioned on elastic clip 1 and promote on two broad side surfaces of overcoat 2.
It is identical with embodiment one that the present embodiment does not state part.
Most preferred embodiment:
With reference to Figure 21, Figure 22, Figure 23 and Figure 24, jacket type fluid stopping device, convex clip 1.3.1 is arranged on elastic clip 1 liang of narrow side, and card nest 2.7 correspondences are arranged on two narrow sides of promotion overcoat 2.
It is identical with embodiment four that the present embodiment does not state part.

Claims (7)

1. jacket type fluid stopping device, comprise a kind of fluid stopping elastic clip, elastic clip was provided with pore and the wedge shape line of rabbet joint, wedge shape line of rabbet joint opening originated in pore side, and extend along the wedge shaped pattern that flow-stopping clip length direction reduces with the line of rabbet joint to the other end, it is characterized in that, also comprise a kind of promotion overcoat, promote the pore excessively that overcoat has inner chamber and runs through, what this crossed pore and fluid stopping elastic clip crosses that pore is corresponding to be arranged, elastic clip is set in this and promotes in overcoat inner chamber, after two pore aligns excessively, treat that the circulation flexible pipe of fluid stopping can cross pore through this.
2. jacket type fluid stopping device according to claim 1, is characterized in that, elastic clip slides over gap fiting mode and promotes in overcoat inner chamber at this.
3. jacket type fluid stopping device according to claim 1, is characterized in that, promote overcoat inner chamber rear and have wedge cavities, the wedge shape direction of this wedge cavities is corresponding with the wedge shape direction of the elastic clip wedge shape line of rabbet joint.
4. the jacket type fluid stopping device according to claim 1 or 3, is characterized in that, promoting overcoat inner chamber is a kind of blind hole, and elastic clip sleeve is in this blind hole, and the end face that the outer face of blind hole end and elastic clip expose is singlehanded to the operating surface pinched.
5. the jacket type fluid stopping device according to claim 1 or 3, it is characterized in that, promoting overcoat inner chamber is a kind of perforation, and elastic clip is set in this perforation, the promotion upper and lower two sides of overcoat are respectively stretched out and are drawn ear, and this end face drawing ear and elastic clip to expose is singlehanded to the operating surface pinched.
6. jacket type fluid stopping device according to claim 1, it is characterized in that, elastic clip is provided with a kind of convex clip, promote to be coated at the card nest that flexible pipe cut-off place correspondence is provided with convex clip coupling therewith, this card nest or a kind of draw-in groove or a kind of opening run through, in flexible pipe cut-off place, convex clip is trapped in this card nest.
7. jacket type fluid stopping device according to claim 6, is characterized in that, opening arranges a fracture line of rabbet joint by promoting overcoat housing opening.
CN201520013671.1U 2015-01-09 2015-01-09 Jacket type fluid stopping device Active CN204582121U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016109968A1 (en) * 2015-01-09 2016-07-14 福建省百仕韦医用高分子股份有限公司 Clamping sleeve-type flow-stopping device
CN106581815A (en) * 2016-10-08 2017-04-26 谢世庚 Positive-pressure liquid prevention box of indwelling needle
CN108478899A (en) * 2018-02-10 2018-09-04 陈伟权 Can repeatedly washing pipe remaining needle
CN108525063A (en) * 2018-05-11 2018-09-14 王小华 A kind of pediatric first aid infusion device
WO2018232564A1 (en) * 2017-06-19 2018-12-27 福建省百仕韦医用高分子股份有限公司 Clamping sleeve-type flow-stopping device having retained information recorder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016109968A1 (en) * 2015-01-09 2016-07-14 福建省百仕韦医用高分子股份有限公司 Clamping sleeve-type flow-stopping device
CN107106760A (en) * 2015-01-09 2017-08-29 福建省百仕韦医用高分子股份有限公司 Jacket type fluid stopping device
CN106581815A (en) * 2016-10-08 2017-04-26 谢世庚 Positive-pressure liquid prevention box of indwelling needle
WO2018232564A1 (en) * 2017-06-19 2018-12-27 福建省百仕韦医用高分子股份有限公司 Clamping sleeve-type flow-stopping device having retained information recorder
CN108478899A (en) * 2018-02-10 2018-09-04 陈伟权 Can repeatedly washing pipe remaining needle
CN108525063A (en) * 2018-05-11 2018-09-14 王小华 A kind of pediatric first aid infusion device

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